三条英语单选题

题目

三条英语单选题
It is uncertain ____ side effect the medicine will bring about,although about two thousand patients have taken it..
A,that B,what C,how D,whether
我知道that后加一个陈述句,what可以不用加陈述句.但如何分析这是一个主语从句的呢?为什麼what在句中充当主语?为什麼不选C.请帮我分析一下句子成分和解释一下这些问题.
it is none of your business ___other people think highly of him.
a,how b,whether c,which d,when
这一句看不懂,请帮我翻习题下为什麼选B,
The information on the Internet gets around much more rapidly than ___in the newspaper
A,it B,those C,one Dthat
这一句我知道要指代前面的information.我们老师说为避免重复用that,这是为什麼呢?

答案

1. it是形式主语,真正的主语是what引导的这个从句,what在从句中充当bring about的宾语.因为从句中缺宾语,所以不能用that,how,whether2.it是形式主语,真正的主语是whether引导的从句.选项要从句意去判断：别人对他评...